<template>
  <!-- 上方的查询表单 -->
  <div>
    <!-- {{ queryInfo }} -->
    <el-form :inline="true">
      <el-form-item>
        <el-select v-model="queryInfo.order" style="width: 12em">
          <el-option
            v-for="d in orderList"
            :key="d.value"
            :value="d.value"
            :label="d.label"
          >
          </el-option>
        </el-select>
      </el-form-item>

      <el-form-item>
        <el-input v-model="queryInfo.title" placeholder="请输入标题" />
      </el-form-item>

      <el-form-item>
        <el-input v-model="queryInfo.info" placeholder="请输入内容" />
      </el-form-item>

      <el-form-item>
        <el-date-picker
          v-model="queryInfo.startTime"
          type="date"
          value-format="YYYY-MM-DD"
          placeholder="开始时间"
        />
      </el-form-item>

      <el-form-item>
        <el-date-picker
          v-model="queryInfo.endTime"
          type="date"
          value-format="YYYY-MM-DD"
          placeholder="结束时间"
        />
      </el-form-item>

      <el-form-item>
        <el-button-group>
          <el-button type="danger" @click="reset">重置</el-button>
          <el-button type="primary" @click="requery">查询</el-button>
          <el-button type="success" @click="showAdd">添加</el-button>
        </el-button-group>
      </el-form-item>
    </el-form>
  </div>

  <!-- 数据呈现的部分 -->
  <div v-loading="loading">
    <el-table :data="list">
      <el-table-column prop="nid" label="编号" width="100" />
      <el-table-column prop="title" label="标题" />
      <el-table-column prop="source" label="来源" />
      <el-table-column prop="hits" label="点击量" width="100" />

      <el-table-column label="信息最后修改时间">
        <template #default="scope">
          {{ Tools.formatDate(scope.row.lastupdate) }}
        </template>
      </el-table-column>

      <el-table-column label="操作">
        <template #default="scope">
          <el-button type="primary" size="small" @click="showModify(scope.row)"
            >修改</el-button
          >
          <el-button size="small" @click="queryDetail(scope.row)"
            >查看内容</el-button
          >
          <el-button type="danger" size="small" @click="del(scope.row)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <div>
      <el-pagination
        background
        layout="prev, pager, next, total, sizes"
        :page-sizes="[1, 5, 10, 20]"
        :total="page.total"
        v-model:page-size="page.pageSize"
        v-model:current-page="page.pageNumber"
        @current-change="query"
        @size-change="query"
      />
    </div>
  </div>

  <!-- 查看内容的对话框 -->
  <el-dialog :title="detail.title" :fullscreen="true" v-model="dvisible">
    <div>
      <div v-html="detail.info"></div>
    </div>
  </el-dialog>

  <!-- 添加的对话框 -->
  <el-dialog title="发布新闻" v-model="avisible" @closed="requery">
    <div>
      <el-form>
        <el-form-item label="新闻标题">
          <el-input v-model="addInfo.title" />
        </el-form-item>

        <el-form-item label="新闻来源">
          <el-input v-model="addInfo.source" />
        </el-form-item>

        <el-form-item label="新闻内容">
          <el-input v-model="addInfo.info" :rows="10" type="textarea" />
        </el-form-item>
      </el-form>
    </div>

    <template #footer>
      <div>
        <el-button type="danger" @click="avisible = false">取消</el-button>
        <el-button type="info" @click="resetAdd">重填</el-button>
        <el-button type="success" @click="add">发布</el-button>
      </div>
    </template>
  </el-dialog>

  <!-- 修改的对话框 -->
  <el-dialog title="修改新闻" v-model="mvisible" @closed="requery">
    <div>
      <el-form>
        <el-form-item label="新闻标题">
          <el-input v-model="modifyInfo.title" />
        </el-form-item>

        <el-form-item label="新闻来源">
          <el-input v-model="modifyInfo.source" />
        </el-form-item>

        <el-form-item label="新闻内容">
          <el-input v-model="modifyInfo.info" :rows="10" type="textarea" />
        </el-form-item>
      </el-form>
    </div>

    <template #footer>
      <div>
        <el-button type="danger" @click="mvisible = false">取消</el-button>
        <el-button type="success" @click="modify">保存</el-button>
      </div>
    </template>
  </el-dialog>
</template>

<script setup>
import { ref } from 'vue';
import { Api } from '../script/Api';
import { Tools } from '../script/Tools';
import { ElMessage, ElMessageBox } from 'element-plus';

//#region 查询的部分

const loading = ref(false);

const page = ref({
  pageNumber: 1,
  pageSize: 5,
});

const queryInfo = ref({
  order: 1,
  title: '',
  info: '',
  startTime: '',
  endTime: '',
});

const orderList = ref([
  { label: '按照发布时间逆序', value: 1 },
  { label: '按照点击量逆序', value: 2 },
  { label: '按照发布时间正序', value: 3 },
  { label: '按照点击量正序', value: 4 },
]);

const list = ref([]);

const reset = () => {
  queryInfo.value = {
    order: 1,
    title: '',
    info: '',
    startTime: '',
    endTime: '',
  };
  requery();
};

const requery = () => {
  page.value.pageNumber = 1;
  query();
};

const query = () => {
  loading.value = true;
  Api.get(
    '/crud/news',
    Tools.concatJson(page.value, queryInfo.value),
    (data) => {
      loading.value = false;
      if (data.success) {
        list.value = data.data.data;
        page.value = data.data.pageBean;
      } else {
        ElMessage.error(data.message);
        // ElMessageBox.alert(data.message, '新闻');
      }
    }
  );
};

query();

//#endregion

//#region 添加的部分
const avisible = ref(false);

const addInfo = ref({
  title: '',
  info: '',
  source: '',
});

const resetAdd = () => {
  addInfo.value = {
    title: '',
    info: '',
    source: '',
  };
};

const showAdd = () => {
  resetAdd();
  avisible.value = true;
};

const add = () => {
  Api.post('/crud/news', addInfo.value, (data) => {
    if (data.success) {
      ElMessage.success(data.message);
      resetAdd();
    } else {
      ElMessage.error(data.message);
    }
  });
};

//#endregion

//#region 查看详情的部分
const dvisible = ref(false);
const detail = ref({});

const queryDetail = (info) => {
  Api.get(`/crud/news/${info.nid}`, {}, (data) => {
    if (data.success) {
      detail.value = data.data;
      dvisible.value = true;
    } else {
      ElMessageBox.alert(data.message, '新闻');
    }
  });
};

//#endregion

//#region 修改的部分
const mvisible = ref(false);
const modifyInfo = ref({});

const showModify = (info) => {
  Api.get(`/crud/news/${info.nid}`, {}, (data) => {
    if (data.success) {
      modifyInfo.value = data.data;
      mvisible.value = true;
    } else {
      ElMessageBox.alert(data.message, '新闻');
    }
  });
};

const modify = () => {
  Api.put('/crud/news', modifyInfo.value, (data) => {
    ElMessageBox.alert(data.message, '新闻');
  });
};

//#endregion

//#region 删除的部分

const del = (info) => {
  ElMessageBox.confirm(`是否删除：${info.title}`, '删除信息')
    .then(() => {
      console.log('点击了确定');
      Api.delete(`/crud/news/${info.nid}`, {}, (data) => {
        if (data.success) {
          ElMessage.success(data.message);
        } else {
          ElMessage.error(data.message);
        }
        requery();
      });
    })
    .catch(() => {
      console.log('点击了取消');
    });
};

//#endregion
</script>

<style scoped></style>
